File size: 2,410 Bytes
5154c4e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | from __future__ import annotations
from pathlib import Path
import cadquery as cq
OUTPUT_ROOT = Path(r"C:\Users\User\Desktop")
TOL = 0.08
def load_solids(path: Path, expected_count: int):
if not path.exists() or path.stat().st_size <= 0:
raise FileNotFoundError(path)
solids = cq.importers.importStep(str(path)).solids().vals()
if len(solids) != expected_count or any(not solid.isValid() for solid in solids):
raise ValueError(f"expected {expected_count} valid solid(s)")
return solids
def bbox_tuple(solid):
bb = solid.BoundingBox()
return (bb.xmin, bb.xmax, bb.ymin, bb.ymax, bb.zmin, bb.zmax)
def dims(solid):
bb = solid.BoundingBox()
return (bb.xlen, bb.ylen, bb.zlen)
def close_tuple(actual, expected) -> bool:
return all(abs(float(a) - float(e)) <= TOL for a, e in zip(actual, expected))
def find_by_dims(solids, expected_dims):
matches = [solid for solid in solids if close_tuple(dims(solid), expected_dims)]
if len(matches) != 1:
raise ValueError(f"expected one solid with dims {expected_dims}")
return matches[0]
def check_assembly() -> bool:
solids = load_solids(OUTPUT_ROOT / "cli_024_scaled_assembly_out.step", 3)
a = find_by_dims(solids, (60.0, 40.0, 20.0))
b = find_by_dims(solids, (75.0, 50.0, 25.0))
c = find_by_dims(solids, (55.0, 35.0, 18.0))
return (
close_tuple(bbox_tuple(a), (-30.0, 30.0, -20.0, 20.0, 0.0, 20.0))
and close_tuple(bbox_tuple(b), (27.5, 102.5, -25.0, 25.0, 0.0, 25.0))
and close_tuple(bbox_tuple(c), (117.5, 172.5, -17.5, 17.5, 0.0, 18.0))
and abs(sum(s.Volume() for s in solids) - 176400.0) <= 80.0
)
def check_part_file(name: str, expected_bbox, expected_volume: float) -> bool:
solid = load_solids(OUTPUT_ROOT / name, 1)[0]
return close_tuple(bbox_tuple(solid), expected_bbox) and abs(solid.Volume() - expected_volume) <= 60.0
def evaluate() -> bool:
return (
check_assembly()
and check_part_file("cli_024_A.step", (-30.0, 30.0, -20.0, 20.0, -10.0, 10.0), 48000.0)
and check_part_file("cli_024_B_scaled.step", (-37.5, 37.5, -25.0, 25.0, -12.5, 12.5), 93750.0)
and check_part_file("cli_024_C.step", (-27.5, 27.5, -17.5, 17.5, -9.0, 9.0), 34650.0)
)
if __name__ == "__main__":
try:
print(True if evaluate() else False)
except Exception:
print(False)
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